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New Reachability Analysis Enhances Dependabot Alerts for JavaScript and TypeScript

New Reachability Analysis Enhances Dependabot Alerts for JavaScript and TypeScript

First seen 28 Oct 2026, 19:41 UTC • •

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ThreatCluster AI
ThreatCluster •October 29, 2026 at 02:40 UTC
  • •Reachability analysis for Dependabot alerts is now in public preview for JavaScript and TypeScript.
  • •The analysis categorizes alerts into reachable, potentially reachable, unreachable, and reachability unavailable.
  • •This feature is free during the public preview and enhances vulnerability management for developers.

GitHub has introduced reachability analysis for Dependabot alerts, now in public preview for JavaScript and TypeScript. This feature helps developers prioritize vulnerabilities by analyzing call paths from their code to vulnerable functions in dependencies. The analysis categorizes alerts into four verdicts: reachable, potentially reachable, unreachable, and reachability unavailable. This context allows teams to better manage and remediate dependency vulnerabilities. The service is free during the public preview and does not require additional installations. It runs on GitHub-hosted runners and supports repositories with npm, Yarn, or pnpm lockfiles. Users can filter and sort alerts based on the analysis results. The feature is currently available for GitHub Enterprise Cloud users.

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Timeline

2026-10-28
Reachability analysis for Dependabot launched
GitHub announced the public preview of reachability analysis for Dependabot alerts, aiding developers in prioritizing vulnerabilities.
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Common questions

What is reachability analysis?
Reachability analysis determines whether your code directly calls vulnerable functions in dependencies, helping prioritize alerts.
Is there a cost for using reachability analysis?
No, it is free during the public preview for GitHub Enterprise Cloud users.
Which programming languages does this feature support?
Currently, it supports JavaScript and TypeScript projects with npm, Yarn, or pnpm lockfiles.